(PowerShell) Xero Upload Attachment

Demonstrates how to upload an attachment to Xero.

For more information, see https://developer.xero.com/documentation/api/attachments#POST

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$http = New-Object Chilkat.Http

# Important: Make sure your OAuth2 access token was obtained with the scope "accounting.attachments"
# included in the list of scopes.

$jsonToken = New-Object Chilkat.JsonObject
$success = $jsonToken.LoadFile("qa_data/tokens/xero-access-token.json")
if ($success -eq $false) {
    $($jsonToken.LastErrorText)
    exit
}

$http.AuthToken = $jsonToken.StringOf("access_token")

# Replace the value here with an actual tenant ID obtained from this example:
# Get Xero Tenant IDs
$http.SetRequestHeader("Xero-tenant-id","83299b9e-5747-4a14-a18a-a6c94f824eb7")

$http.Accept = "application/json"

$url = "https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/{$Filename}"

# Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
$http.SetUrlVar("Endpoint","Invoices")

# Guid is the ID of the item, such as the InvoiceID.
$http.SetUrlVar("Guid","0032f627-3156-4d30-9b1c-4d3b994dc921")

# Filename is the filename of the attachment you are uploading.
$http.SetUrlVar("Filename","penguins.jpg")

# Load the file to be uploaded (from the local filesystem).
$bd = New-Object Chilkat.BinData
$success = $bd.LoadFile("qa_data/jpg/penguins.jpg")
if ($success -eq $false) {
    $("Failed to load attachment file.")
    exit
}

# Indicate the content-type according to the file content type.
# Common content-types are:   image/jpg, image/png, application/pdf, application/zip, application/msword
# If you don't know, use application/octet-stream
$resp = $http.PBinaryBd("POST",$url,$bd,"image/jpg",$false,$false)
if ($http.LastMethodSuccess -ne $true) {
    $($http.LastErrorText)
    exit
}

$("Response Status Code: " + $resp.StatusCode)

$jsonResponse = New-Object Chilkat.JsonObject
$jsonResponse.Load($resp.BodyStr)
$jsonResponse.EmitCompact = $false
$($jsonResponse.Emit())

if ($resp.StatusCode -ne 200) {
    $("Failed.")

    exit
}

# A sample response:

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

# {
#   "Id": "35333c64-4449-457b-bf6a-1b64d538e3c7",
#   "Status": "OK",
#   "ProviderName": "Chilkat2222",
#   "DateTimeUTC": "\/Date(1587212597758)\/",
#   "Attachments": [
#     {
#       "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2",
#       "FileName": "penguins.jpg",
#       "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg",
#       "MimeType": "image/jpg",
#       "ContentLength": 777835
#     }
#   ]
# }